How much is a large steel beam?

Excuse me, could you please assist me with a query? I'm trying to get a grasp of the cost involved in purchasing a large steel beam. Could you please elaborate on the factors that influence the pricing of such a beam? I'm particularly interested in understanding whether the size, weight, grade of steel, or market conditions play a significant role. Would it be possible to provide me with a ballpark figure or a range of prices that I could expect to pay for a large steel beam? It would be greatly appreciated if you could offer some insights into this matter.